You might be a millionaire without even knowing it. That dusty jar sitting on your kitchen counter could contain enough money ...

These three rare pennies from over 20 years ago are now worth a fortune—find out which coins skyrocketed in value and why ...

Production errors and unique background stories make some historic coins now worth way more than their face values. And holding on to them, including those in the list below, could mean increased ...

Located on the Navajo Reservation 109 miles north of Flagstaff, the White Mesa mining district is one of the few documented producers of copper in Northern Arizona’s Colorado Plateau. Disseminated ...